Li, Xiaolin
Fang, Evandro Fei
Scheibye-Knudsen, Morten
Cui, Honghua
Qiu, Lu
Li, Jian
He, Yuping
Huang, Jing
Bohr, Vilhelm A.
Ng, Tzi Bun
Guo, Hongwei
Article History
Received: 23 April 2014
Accepted: 19 August 2014
First Online: 22 September 2014
Competing interests
: The authors declare no competing financial interests.